Armstrong Siddeley Leopard

The Armstrong Siddeley Leopard was a British 14-cylinder twin-row air-cooled radial aero engine developed in 1927 by Armstrong Siddeley. It was the most powerful radial engine in the world when introduced.Smith 1981, p.112.

Variants Leopard I 700 hp, medium supercharged. Direct drive propeller. Leopard II 700 hp, geared epicyclic drive. Leopard III 800 hp, two-valve cylinder head, direct drive. Leopard IIIA 800 hp, geared epicyclic drive.

Applications Blackburn Iris Junkers Ju 52Single engine version only Hawker DantorpMason 1991, p. 140. Hawker HorsleyMason 1991, p. 138.

Specifications (Leopard I)

See also

References

Notes

Bibliography

Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. . Mason, Francis K. Hawker Aircraft since 1920 (third ed.). London: Putnam, 1991. . Smith, Herschel. Aircraft Piston Engines. New York, New York: McGraw-Hill, 1981. .